<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="./vue.js"></script>
    <style>

        /*  */
        [v-cloak] { display: none }
    </style>
</head>
<body>
    <div id="app">

        <!-- 提高用户体验 -->
         <div  v-cloak> {{msg}}</div>

    </div>
    <script>
        let vm=new Vue({
            el:'#app',
            data:{
                 msg:"hello vue"
            }
        })
    </script>
</body>
</html>